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Selective oxidation of p-chlorotoluene with Co(OAc)2/MnSO4/KBr in acetic acid–water medium

Paper ID Volume ID Publish Year Pages File Format Full-Text
53101 46907 2007 5 PDF Available
Title
Selective oxidation of p-chlorotoluene with Co(OAc)2/MnSO4/KBr in acetic acid–water medium
Abstract

Selective oxidation of p-chlorotoluene catalyzed by Co(OAc)2/MnSO4/KBr with molecular oxygen has been studied. Acetic acid–water is used as the reaction medium in place of pure acetic acid to avoid the nuisance of acetic acid separation. It is found that when MnSO4 is used in place of the commonly used Mn(OAc)2, MnO2 barely forms and the activity of the composite catalyst greatly enhances. Under the optimized conditions (Co/(Co + Mn) mole ratio 0.2, Br/(Co + Mn) mole ratio 0.3, and reaction temperature 106 °C), 22.4% yield of p-chlorobenzaldehyde was obtained at 33.7% conversion of p-chlorotoluene with 66.6% selectivity.

Keywords
Selective oxidation; p-Chlorobenzaldehyde; Cobalt; Manganese; Bromide
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Selective oxidation of p-chlorotoluene with Co(OAc)2/MnSO4/KBr in acetic acid–water medium
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 8, Issue 8, August 2007, Pages 1279–1283
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Full-text PDF Download
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